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Labor & Trade Union Membership Statistics
Trade Union Density - OECD StatExtracts
Density statistics for 33 countries (developed nations), from 1999 to 2010.
Union Members and Employees - OECD StatExtracts
To access this table, click on the title (Union Members...) in the left-hand column, under "Labour/Trade Unions". This table contains the number of active trade union members and the number of wage and salary earners. Data on union membership are broken down by source of data (administrative or survey data).
Sources of Data on Trade Union Members and Union Density
Data sources for union membership in OECD member countries.
Trade union density in OECD countries, 1960-2010
Excel spreadsheet of union density in OECD countries.
Trade Union Membership (ILO)
Links to ILO publications on methodological issues involving collecting and calculating union membership data and sources of membership data. Also links to ILO data tables, see "ILO Social Dialogue Indicators 2008/09" and databases from other organizations.
Trade Union Membership and Collective Bargaining Coverage, Statistical Concepts, Methods and Findings (ILO Working Paper No. 59 - Social Dialogue Indicators)
See Table 1 for Union Density data for over 100 countries, dates vary from 2002 to 2009. Paper by Susan Hayter, Industrial and Employment Relations Department and Valentina Stoevska, Department of Statistics
Union Membership Statistics in 24 Countries, by Jelle Visser (MLR, Jan. 2006)
The 24 countries are all developed nations. Table 3 gives union density, Table 4 gives density by gender.
Trade union strategies to recruit new groups of workers (Eurofound)
An overview of developments in both trade union membership and density in the 27 EU Member States and Norway; study by Roberto Pedersini, Univ. of Milan.
Trade union membership 2003–2008 (Eurofound)
This report examines trade union membership in the European Union and Norway over the period 2003–2008. It looks at the number of trade union members, the relative size of the main organizations and the breakdown of membership by gender, as well as issues related to trade union density.
ICTWSS: Database on Institutional Characteristics of Trade Unions, Wage Setting, State Intervention and Social Pacts in 34 countries between1960 and 2007
created by Jelle Visser, Amsterdam Institute for Advanced Labour Studies (AIAS), University of Amsterdam. "The ICTWSS database covers four key elements of modern political economies in advanced capitalist societies: trade unionism, wage setting, state intervention and social pacts."
ICTWSS Database, version 3, May 2011.
"The new ICTWSS database (version 3.0) of Jelle Visser is now available with more countries, more variables and updated till 2010."